I'd go further than that. The left only "hates capitalism" publically because they know that by mouthing populist anti-capitalist BS they inoculate themselves from scrutiny and grabby fingers.
Look at Warren Buffett, at Bill Gates, at any number of mega-billionaires. With few very notable exceptions, they are all public liberals. In some cases, virulently so.
It costs them nothing to push the liberal line in public, and doing so buys them a lot of friendship in Washington.